W12系列四辊卷板机采用上辊旋转机械传动，下辊和侧辊升降液压传动，电气集中控制操作系统。该机能一次上料完成对板材两端的预弯及卷制筒形，弧形和一定范围内的雉型工件，具有板材端部预弯功能，剩余直边小，工作效率高，并可在该机上对金属板材进行粗略校平。该机配置NC系统控制，提高自动化程度。它广泛用于石油、化工锅炉、造船、金属结构及机械制造行业。

W12 series rolling machine with four rollers adopt upper roller rotary mechanical drive, lower roller and side roller fluctuation hydraulic drive, electric concentrated control operation system. This machine can complete pre-bending and pipe shaped rolling for one material feeding, arc or moderate taper shaped material can be pre-bend in this machine with minimized residual straight margin and high work efficiency, it also can do the work of approximate leveling for metal plate to be processed. The machine equipped with NC System control, improve automation level. It is widely used in petroleum, chemical boiler, shipbuilding, metal structure and mechanical manufacturing industry.